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Question:

What sound insulation sound insulation?

What sound insulation sound insulation?

Answer:

Sound insulation material is divided into rubber, PVC, asphalt, simply from the noise effects, the greater the density of the better sound insulation.
Jul 4, 2017
At present, the raw materials of sound insulation are mainly divided into two kinds: raw rubber and pvd as the substrate. However, the production of raw rubber and iron powder sound insulation felt, good performance, but the cost is high, limiting the purchase of the crowd; to PVC as the substrate, adding iron powder or heavy mineral powder production of sound insulation is more suitable for use in building decoration Sound insulation. Cheap sound insulation is good, suitable for middle and low consumer groups.
Jul 4, 2017
Get the noise of the manufacturers of samples pulled by hand pull the pad pad, with the nose smell, cut with a knife to see what added metal powder. Through the above method is basically able to determine whether the high-quality sound insulation material friends.
Jul 4, 2017
It should be noted that: metal powder can not be lead and other harmful substances, smell a smell or other serious odor, which determine the use of filler is environmentally friendly. Sound insulation felt area per unit weight, density, good flexibility, fire and moisture, no smell can be considered a good sound insulation material.
Jul 4, 2017

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